Character set

      ABCDEFGHIJKLMNOPQRSTUVWXYZ
      abcdefghijklmnopqrstuvwxyz
      0 1 2 3 4 5 6 7 8 9

Brackets

      [ ; ] ( )

Braces

      {
         ⍺{}⍵
      }

Boxing

┌──┬──┐
│  │  │
├──┼──┤
│  │  │
└──┴──┘

Comments

      ⍝ Comments

Primatives

      ←
      + - × ÷ * ⍟ ⌹ ○ ! ?
      | ⌈ ⌊ ⊥ ⊤ ⊣ ⊢
      = ≠ ≤ < > ≥ ≡ ≢
      ∨ ∧ ⍱ ⍲
      ↑ ↓ ⊂ ⊃ ⌷ ⍋ ⍒
      ⍳ ⍸ ∊ ⍷ ∪ ∩ ~
      / \ ⌿ ⍀
      , ⍪ ⍴ ⌽ ⊖ ⍉
      ¨ ⍨ ⍣ . ∘ ⍤ @
      ⍞ ⎕ ⍠ ⌸ ⌺ ⌶ ⍎ ⍕
      ⋄ → ⍵ ⍺ ∇ & 
      ¯ ⍬
      ←
      + - × ÷ * ⍟ ⌹ ○ ! ?
      | ⌈ ⌊ ⊥ ⊤ ⊣ ⊢
      = ≠ ≤ < > ≥ ≡ ≢
      ∨ ∧ ⍱ ⍲
      ↑ ↓ ⊂ ⊃ ⌷ ⍋ ⍒
      ⍳ ⍸ ∊ ⍷ ∪ ∩ ~
      / \ ⌿ ⍀
      , ⍪ ⍴ ⌽ ⊖ ⍉
      ¨ ⍨ ⍣ . ∘ ⍤ @
      ⍞ ⎕ ⍠ ⌸ ⌺ ⌶ ⍎ ⍕
      ⋄ → ⍵ ⍺ ∇ & 
      ¯ ⍬

System functions and variables

      ⎕WSID

System commands

         )wsid
is CLEAR WS

Control structures

      :Label

      :IF
      :Else
      :EndIF